What natural barriers prevent animals and plants from moving to different locations? what is the answer

Ifound this on google “aristotle (384–322 bc) in western scientific taxonomy the greek philosopher aristotle was the first to classify all living things, and some of his groups are still used today, like the vertebrates and invertebrates, which he called animals with blood and without blood.” i hope this you for what your looking for.

Size and shape of continents

C. gemstones they are the only non metallic mineral from the list.